package cn.onlineclass.dao;

import cn.onlineclass.keyun.model.Grade;
import cn.onlineclass.keyun.model.GradeExample;
import java.util.List;

public interface GradeMapper {
    long countByExample(GradeExample example);

    int deleteByPrimaryKey(Integer id);

    int insert(Grade record);

    int insertSelective(Grade record);

    List<Grade> selectByExample(GradeExample example);

    Grade selectByPrimaryKey(Integer id);

    int updateByPrimaryKeySelective(Grade record);

    int updateByPrimaryKey(Grade record);
}